已知:x+2y+3m=10,4x+3y+2m=15,求x+y+m的值是?

来源:学生作业帮助网 编辑:六六作业网 时间:2024/05/21 07:30:51
已知:x+2y+3m=10,4x+3y+2m=15,求x+y+m的值是?已知:x+2y+3m=10,4x+3y+2m=15,求x+y+m的值是?已知:x+2y+3m=10,4x+3y+2m=15,求x

已知:x+2y+3m=10,4x+3y+2m=15,求x+y+m的值是?
已知:x+2y+3m=10,4x+3y+2m=15,求x+y+m的值是?

已知:x+2y+3m=10,4x+3y+2m=15,求x+y+m的值是?
(x+2y+3m)+(4x+3y+2m)
=5(x+y+m)
=10+15
=25
x+y+m=25÷5=5

(x+2y+3m)+(4x+3y+2m)
=5(x+y+m)
=10+15
=25
x+y+m=25÷5=5

25

x=1 y=3 m=1